Are Beans Vegetables or Legumes? Unpacking the Plant-Based Protein

You’ve probably looked through recipes or watched a food program, and the word legumes is used. But when you see the legumes, you think, “those are just beans. ” Cue the head-scratching.

There is often a lot of confusion about the difference between beans and legumes. Some people think they are two completely different things. Others believe “beans” and “legumes” are interchangeable. Even some professional chefs mix up the two words, which only leads to more confusion.

Let’s talk about the difference between legumes and beans so you can cook and eat them with less worry.

Beans are a nutritious plant-based food that have long been a dietary staple across many cultures. But there is often confusion about how to categorize beans. Are beans vegetables legumes or something else entirely? This article will explain the nuances in bean classification and why it even matters in the first place.

The Different Food Groups for Beans

Botanically speaking, beans fall into the category of legumes. A legume is a type of fruit that forms in a pod and contains seeds. Other legumes beyond beans include lentils, peas, peanuts, and soybeans

But nutritionally, beans are often lumped into the vegetable food group. This is because they provide a similar set of vitamins, minerals, antioxidants, and especially fiber as vegetables. The one distinction is beans also supply a hefty dose of plant-based protein, unlike most vegetables.

So in essence, beans straddle the line between vegetables and protein foods. Different health organizations classify beans in slightly different ways:

  • The USDA includes beans in both the vegetable group and the protein group.

  • Dietary guidelines in the U.K. and Australia count beans and legumes as their own unique food group separate from veggies.

  • Many nutritionists refer to beans as “vegetable protein” since they supply the nutrients of vegetables plus substantial protein.

Why the Vegetable Comparison?

Grouping beans with vegetables makes sense based on their nutritional profile. Here are some key nutrients beans have in common with veggie standouts like spinach, broccoli, and sweet potatoes:

Fiber – Beans provide a whopping dose of fiber, with around 15 grams per cooked cup on average. Most other vegetables range from 2-4 grams of fiber per serving.

Potassium – With their high potassium content, beans offer protection for heart health and blood pressure regulation, similar to potassium-rich banana and sweet potatoes.

Iron – Beans supply a considerable amount of iron, which plays many vital roles in the body. Other iron-packed veggies include spinach and Swiss chard.

Folate – Necessary for red blood cell production, beans are loaded with folate. Other high folate vegetables include asparagus, Brussels sprouts, and broccoli.

Antioxidants – The wide range of antioxidants in beans fights inflammation and oxidative stress similarly to antioxidant-containing veggies like tomatoes and squash.

Phytochemicals – Beans contain beneficial plant compounds like saponins, protease inhibitors, and phytic acid that may protect against cancer and other diseases.

So it’s easy to see why beans often get lumped into the vegetable camp based on their stellar nutritional resume.

But Aren’t Beans High in Protein?

Here’s where beans differentiate themselves from most vegetables – they provide ample protein. One cup of cooked beans contains around 15 grams of protein on average.

Most vegetables have less than 5 grams of protein per serving. Beans provide as much protein as animal-based foods like meat, fish, eggs, and dairy.

In fact, beans are a staple food in vegetarian and vegan diets precisely because they offer a potent plant-based protein alternative to meat. Their substantial protein content is why beans also get categorized in the protein food group.

Beans do differ from animal protein in one way – they lack certain essential amino acids. To compensate, vegetarians need to eat beans in combination with grains, nuts, seeds, and vegetables that fill in the amino acid gaps.

Why Does the Classification Matter?

At the end of the day, does it really matter whether beans are officially called legumes, veggies, or proteins? What matters most is including them regularly in a healthy diet.

But having an accurate classification can make a difference in nutrition guidance and dietary planning. If beans are only thought of as a vegetable, their protein contribution can get overlooked. Calling them legumes doesn’t tell the whole story either.

Classifying beans and other pulses as their own unique food group stresses their nutritional diversity. They occupy a valuable space between vegetables and proteins. This highlights the many benefits they provide and their dietary flexibility.

People following varied types of eating patterns from vegan to Mediterranean to Flexitarian all rely on beans to play different roles, whether as a protein substitute or a high fiber veggie alternative.

Having an independent beans/legumes food group makes their nutritional contribution clear. It ensures they get spotlighted as the nutritional workhorses they are.

So while the classification may seem trivial on the surface, it can actually have a meaningful impact on dietary guidance.

Putting Beans on Your Plate

However you classify them – vegetable, protein, or legume – the health benefits of beans speak for themselves.

Packed with fiber, antioxidants, folate, potassium, iron and more, beans boast a nutritional profile on par with the most nutrient-dense vegetables. Yet they also provide a hearty hit of plant-based protein.

This unique crossover between veggies and protein makes beans/legumes worthy of their own highlighted food group. Taking beans out of the vegetable or protein “sidekick” role stresses their versatility in powering up any diet.

So embrace beans for all their diverse benefits. Let their classification complexity simply inspire you to get creative with how you incorporate them into meals – as side dishes, starches, protein boosters, and beyond!

are beans vegetables or legumes

What are the differences between beans and legumes?

As it turns out, there aren’t really “differences” between the two. That’s because beans are a specific type of food that fits into the broader category of legumes.

The technical definitions are:

• Legumes – plants that bear fruit that grows in pods.

• Beans: the seeds of some types of legume plants; however, the whole plant is usually called a bean plant.

Let’s break this down with an analogy. Think of legumes as birds and beans as peacocks. A peacock is a bird, but other birds aren’t necessarily peacocks. Others might be penguins (lentils), sparrows (peas), or herons (peanuts).

In other words: all beans are legumes, but all legumes aren’t necessarily beans.

This explains, for instance, why green beans aren’t actually beans in the technical sense. You could call green beans beans, but they are really just legumes because their fruit is in a pod. Somebody needs to tell the person who named green beans that they made things even more confusing and hard to understand!

If you want to get really technical, there’s another food group in this hierarchy that most people overlook.

As we talked about earlier, some of the traditional legumes are legumes, like peanuts and soybeans. There is also a separate group of legumes called pulses. The word pulse comes from the Latin word puls, which means thick soup. Pulses include lentils, chickpeas, peas, and beans. In a way, beans are a type of pulse, which is a type of legume.

Courtesy of USAPulses

What even are beans? Are they vegetables? Why aren’t they grains?

FAQ

Do beans count as vegetables?

Beans are a subgroup of vegetables, called legumes. Botanically, legumes are the fruits of the matured ovary of plants. Legumes have unique nutritional attributes, one of them being that many offer a sustainable source of dietary protein.

Which beans are not legumes?

Green beans are in the other vegetables subgroup, which includes onions, iceberg lettuce, celery, and cabbage. Beans, peas, and lentils (or pulses, as they are also known) include the dried edible seeds of legumes.

What food group is a bean in?

Technically, beans are legumes As legumes are nutritionally unique, they’re sometimes considered their own food group. However, they’re more frequently categorized with other plant foods like vegetables. The term “bean” refers to one category of legume seeds. Other categories include lentils, lupins, and peanuts.

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